[INFO] fetching crate rasi-syscall 0.1.11...
[INFO] checking rasi-syscall-0.1.11 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rasi-syscall 0.1.11 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rasi-syscall 0.1.11
[INFO] finished tweaking crates.io crate rasi-syscall 0.1.11
[INFO] tweaked toml for crates.io crate rasi-syscall 0.1.11 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rasi-syscall 0.1.11 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27da505e7ab1b17049055c0674dae4f126cde4f32fdc36b900d31954f3186011
[INFO] running `Command { std: "docker" "start" "-a" "27da505e7ab1b17049055c0674dae4f126cde4f32fdc36b900d31954f3186011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27da505e7ab1b17049055c0674dae4f126cde4f32fdc36b900d31954f3186011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27da505e7ab1b17049055c0674dae4f126cde4f32fdc36b900d31954f3186011", kill_on_drop: false }`
[INFO] [stdout] 27da505e7ab1b17049055c0674dae4f126cde4f32fdc36b900d31954f3186011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd80da1420af50045164a21925e444f497ddfbf3f826df1eb93f0b41dc55240
[INFO] running `Command { std: "docker" "start" "-a" "ddd80da1420af50045164a21925e444f497ddfbf3f826df1eb93f0b41dc55240", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling bitmask-enum v2.2.5
[INFO] [stderr]     Checking rasi-syscall v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/path/pathbuf.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(feature = "unstable")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/path/pathbuf.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/path/pathbuf.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/path/pathbuf.rs:321:7
[INFO] [stdout]     |
[INFO] [stdout] 321 | #[cfg(feature = "unstable")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/path/pathbuf.rs:342:7
[INFO] [stdout]     |
[INFO] [stdout] 342 | #[cfg(feature = "unstable")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]  --> src/path/pathbuf.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(feature = "unstable")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]   = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/path/pathbuf.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]   --> src/path/pathbuf.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "unstable")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]    = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/path/pathbuf.rs:321:7
[INFO] [stdout]     |
[INFO] [stdout] 321 | #[cfg(feature = "unstable")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/path/pathbuf.rs:342:7
[INFO] [stdout]     |
[INFO] [stdout] 342 | #[cfg(feature = "unstable")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `alloc`, `default`, `executor`, `fs`, `net`, `std`, `time`, `unix_socket`, and `windows_named_pipe`
[INFO] [stdout]     = help: consider adding `unstable` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pathbuf::PathBuf, Infallible>
[INFO] [stdout]    --> src/path/pathbuf.rs:245:53
[INFO] [stdout]     |
[INFO] [stdout] 245 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 246 | |         Ok(PathBuf::from(s))
[INFO] [stdout] 247 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pathbuf::PathBuf, Infallible>
[INFO] [stdout]    --> src/path/pathbuf.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         Ok(PathBuf::from(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rasi-syscall` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<pathbuf::PathBuf, Infallible>
[INFO] [stdout]    --> src/path/pathbuf.rs:245:53
[INFO] [stdout]     |
[INFO] [stdout] 245 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 246 | |         Ok(PathBuf::from(s))
[INFO] [stdout] 247 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<pathbuf::PathBuf, Infallible>
[INFO] [stdout]    --> src/path/pathbuf.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         Ok(PathBuf::from(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rasi-syscall` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ddd80da1420af50045164a21925e444f497ddfbf3f826df1eb93f0b41dc55240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd80da1420af50045164a21925e444f497ddfbf3f826df1eb93f0b41dc55240", kill_on_drop: false }`
[INFO] [stdout] ddd80da1420af50045164a21925e444f497ddfbf3f826df1eb93f0b41dc55240